1.65 V to 3.6 V, Single-Channel Level Translator in SOT-23 Package Data Sheet ADG3231 FEATURES FUNCTIONAL BLOCK DIAGRAM Operates from 1.65 V to 3.6 V supply rails VCC1 VCC2 Unidirectional signal path Up/down level translation Ultracompact 6-lead SOT-23 package A Y Output short-circuit protection L VTTL-/CMOS-compatible inputs GND 03298-001 Figure 1. APPLICATIONS Level translation in PDAs Handsets MP3 players GENERAL DESCRIPTION against current overload, which can occur when the Y pin is accidentally shorted to the V or GND rails. The ADG3231 is a single-channel level translator designed on a CC2 submicron process that is guaranteed to operate over the 1.65 V The ADG3231 is available in the SOT-23 (2.8 mm × 2.9 mm to 3.6 V supply range. The device can be used in applications × 1.3 mm) ultracompact package, making the part ideal for requiring communication between digital devices operating applications where space is critical. from multiple supply voltages. The logic levels on each side of PRODUCT HIGHLIGHTS the device are set by the two supply voltages, V for A and CC1 V for Y. The signal path is unidirectional, meaning data can 1. Up/down level translation. CC2 flow only from A to Y. 2. Guaranteed to operate with any supply combination within The ADG3231 can operate with any combination of V the 1.65 V to 3.6 V range. CC1 and V supply voltages within the 1.65 V to 3.6 V range, CC2 3. Output short-circuit protection. allowing the part to perform either up (V < V ) or down CC1 CC2 (V > V ) level translation. The output stage is protected CC1 CC2 4. Available in ultracompact SOT-23 package. Rev. C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2003–2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com

ADG3231 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Absolute Maximum Ratings ............................................................4 Applications ....................................................................................... 1 ESD Caution...................................................................................4 Functional Block Diagram .............................................................. 1 Pin Configurations and Function Descriptions ............................5 General Description ......................................................................... 1 Typical Performance Characteristics ..............................................6 Product Highlights ........................................................................... 1 Theory of Operation .........................................................................9 Revision History ............................................................................... 2 Outline Dimensions ....................................................................... 10 Specifications ..................................................................................... 3 Ordering Guide .......................................................................... 10 REVISION HISTORY Changes to Features, Applications, General Description 9/12—Rev. B to Rev. C and Product Highlights Sections ..................................................... 1 Removed SOT-66 Package (Throughout) ..................................... 1 Changes to Figure 1 ........................................................................... 1 Updated Outline Dimensions ....................................................... 10 Changes to Table 1 ............................................................................. 3 Changes to Ordering Guide .......................................................... 10 Changes to Figure 2 and Figure 3 .................................................... 3 5/06—Rev. A to Rev. B Deleted TPC 1 to TPC 6 ................................................................... 6 Deleted Figure 11 and Figure 12 ..................................................... 7 Changes to Figure 13 through Figure 20 ........................................ 7 Changes to Ordering Guide .......................................................... 10 Changes to Theory of Operation Section....................................... 9 Updated Outline Dimensions ....................................................... 10 12/04—Rev. 0 to Rev. A Changes to Ordering Guide .......................................................... 10 Updated Format .................................................................. Universal Added SOT-66 Package ..................................................... Universal 5/03—Revision 0: Initial Version Change to Data Sheet Title .............................................................. 1 Rev. C | Page 2 of 12

Data Sheet ADG3231 SPECIFICATIONS V = V = 1.65 V to 3.6 V, GND = 0 V. All specifications T to T , unless otherwise noted. Temperature range for the B version is CC1 CC2 MIN MAX −40°C to +85°C. Table 1. Parameter Symbol Conditions Min Typ1 Max Unit LOGIC INPUTS/OUTPUTS Input High Voltage2 V V = 3.0 V to 3.6 V 1.35 V IH CC1 V = 2.3 V to 2.7 V 1.35 V CC1 V = 1.65 V to 1.95 V 0.65 V V CC1 CC1 Input Low Voltage2 V V = 3.0 V to 3.6 V 0.8 V IL CC1 V = 2.3 V to 2.7 V 0.7 V CC1 V = 1.65 V to 1.95 V 0.35 V V CC1 CC1 Output High Voltage V I = –100 μA, V = 3.0 V to 3.6 V 2.4 V OH OH CC2 I = –100 μA, V = 2.3 V to 2.7 V 2.0 V OH CC2 I = –100 μA, V = 1.65 V to 1.95 V V − 0.45 V OH CC2 CC2 I = −4 mA, V = 2.3 V to 2.7 V 2.0 V OH CC2 I = −4 mA, V = 1.65 V to 1.95 V V − 0.45 V OH CC2 CC2 I = −8 mA, V = 3.0 V to 3.6 V 2.4 V OH CC2 Output Low Voltage V I = 100 μA, V = 3.0 V to 3.6 V 0.4 V OL OL CC2 I = 100 μA, V = 2.3 V to 2.7 V 0.4 V OL CC2 I = 100 μA, V = 1.65 V to 1.95 V 0.45 V OL CC2 I = 4 mA, V = 2.3 V to 2.7 V 0.4 V OL CC2 I = 4 mA, V = 1.65 V to 1.95 V 0.45 V OL CC2 I = 8 mA, V = 3.0 V to 3.6 V 0.4 V OL CC2 SWITCHING CHARACTERISTICS2 Propagation Delay, t A to Y t , t 3.3 V ± 0.3 V, C = 30 pF, see Figure 2 4 6.5 ns PD PHL PLH L Propagation Delay, t A to Y t , t 2.5 V ± 0.2 V, C = 30 pF, see Figure 2 4.5 6.5 ns PD PHL PLH L Propagation Delay, t A to Y t , t 1.8 V ± 0.15 V, C = 30 pF, see Figure 2 6.5 10.25 ns PD PHL PLH L Input Leakage Current I 0 ≤ V ≤ 3.6 V ±1 μA I IN Output Leakage Current I 0 ≤ V ≤ 3.6 V ±1 μA O IN POWER REQUIREMENTS Power Supply Voltages V 1.65 3.6 V CC1 V 1.65 3.6 V CC2 Quiescent Power Supply Current I Digital inputs = 0 V or V 2 μA CC1 CC1 I Digital inputs = 0 V or V 2 μA CC2 CC2 1 All typical values are at VCC1 = VCC2, TA = 25°C, unless otherwise noted. 2 Guaranteed by design, not subject to production test. VCC1 INPUT 50% tPLH tPHL 0V VCC2 OUTPUT 05V0% 03298-020 Figure 2. Timing Diagram Rev. C | Page 3 of 12

ADG3231 Data Sheet ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Stresses above those listed under Absolute Maximum Ratings Parameter Rating may cause permanent damage to the device. This is a stress VCC to GND −0.3 V to +4.6 V rating only; functional operation of the device at these or any Input Voltage for A −0.3 V to V + 0.3 V other conditions above those indicated in the operational CC1 DC Output Current 25 mA section of this specification is not implied. Exposure to absolute Operating Temperature Range maximum rating conditions for extended periods may affect Industrial (B Version) −40°C to +85°C device reliability. Storage Temperature Range −65°C to +150°C Only one absolute maximum rating may be applied at any one Junction Temperature 150°C time. θ Thermal Impedance JA 6-Lead SOT-23 229°C/W ESD CAUTION Lead Temperature, Soldering (10 sec) 300°C IR Reflow, Peak Temperature (<20 sec) 235°C Rev. C | Page 4 of 12

Data Sheet ADG3231 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS PIN 1 VCC1 1 INDICATOR 6 VCC2 ADG3231 NC 2 TOP VIEW 5 Y (Not to Scale) A N3C = NO CONNECT4 GND 03298-002 Figure 3. SOT-23 Table 3. Pin Function Descriptions Pin Number Mnemonic Description 1 V Supply Voltage 1. Can be any supply voltage from 1.65 V to 3.6 V. CC1 2 NC Not internally connected. 3 A Digital Input Referred to V . CC1 4 GND Device Ground Pin. 5 Y Digital Output Referred to V . CC2 6 V Supply Voltage 2. Can be any supply voltage from 1.65 V to 3.6 V. CC2 Rev. C | Page 5 of 12

ADG3231 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 5.0 30 TA = 25°C VCC1 = 3.3V 4.5 25 4.0 3.5 20 VCC2 = 3.3V 3.0 nA) nA) 15 VCC2 = 2.5V (C1 2.5 (C2 IC 2.0 IC 10 VCC2 = 1.8V 1.5 5 VCC2 = 2.5V VCC2 = 3.3V 1.0 0 0.05 VCC2 = 1.8V 03298-004 –5 03298-007 1.5 2.0 2.5 3.0 3.5 4.0 0 10 20 30 40 50 60 70 80 VCC1 (V) TEMPERATURE (°C) Figure 4. I vs. V Figure 7. I vs. Temperature CC1 CC1 CC2 5.0 80 TA = 25°C TA = 25°C 4.5 70 4.0 60 VCC1 = VCC2 = 3.3V 3.5 50 3.0 A) A) n µ (C2 2.5 (C1 40 C C I 2.0 I 30 1.5 VCC1 = 3.3V VCC1 = 2.5V 20 VCC1 = VCC2 = 1.8V 1.0 0.05 VCC1 = 1.8V 03298-005 100 03298-008 1.5 2.0 2.5 3.0 3.5 4.0 10k 100k 1M 10M 100M VCC2 (V) FREQUENCY (Hz) Figure 5. I vs. V Figure 8. I vs. Frequency CC2 CC2 CC1 30 2000 VCC2 = 3.3V TA = 25°C 1800 25 1600 1400 20 VCC1 = 3.3V 1200 (nA)C1 15 VCC1 = 2.5V (µA)C2 1000 VCC1 = VCC2 = 3.3V IC VCC1 = 1.8V IC 800 10 600 VCC1 = VCC2 = 1.8V 400 5 0 03298-006 2000 03298-009 0 10 20 30 40 50 60 70 80 10k 100k 1M 10M 100M TEMPERATURE (°C) FREQUENCY (Hz) Figure 6. ICC1 vs. Temperature Figure 9. ICC2 vs. Frequency Rev. C | Page 6 of 12

Data Sheet ADG3231 16 8.0 VCC1 = 3.3V 14 VCC2= 1.8V TA= 25°C DATA RATE 10Mbps 12 ns) 6.0 L TIME (ns) 108 tLH,LOW-TO-HIGH TRANSITION ON DELAY ( 4.0 tPHL,A TO Y AL TI F A RISE/ 6 OPAG tPLHL,A TO Y R 4 P 2.0 tHL,HIGH-TO-LOW TRANSITION 02 03298-012 0 TVACC=1 2 =5 °VCCC2 03298-015 22 32 42 52 62 72 82 92 102 1.5 2.0 2.5 3.0 3.5 4.0 CAPACITIVE LOAD (pF) SUPPLY VOLTAGE (V) Figure 10. Rise/Fall Time vs. Figure 13. Propagation Delay vs. Supply Voltage Capacitive Load (3.3 V to 1.8 V Level Translation) 10 4.0 VCC1 = 1.8V 9 VTACC=2 2=5 °3C.3V tPHL,A TO Y 8 DATA RATE 10Mbps L TIME (ns) 567 tLH,LOW-TO-HIGH TRANSITION ON DELAY (ns) 23..00 tPLH,A TO Y AL TI RISE/F 34 OPAGA R P 1.0 2 tHL,HIGH-TO-LOW TRANSITION 01 03298-013 0 VCC1 = VCC2= 3.3V 03298-016 22 32 42 52 62 72 82 92 102 –40 –20 0 20 40 60 80 CAPACITIVE LOAD (pF) TEMPERATURE (°C) Figure 11. Rise/Fall Time vs. Figure 14. Propagation Delay vs. Temperature Capacitive Load (1.8 V to 3.3 V Level Translation) 8 7 VVCCCC12 == 33..33VV TDAA T=A 2 5R°ACTE = 10MHz 3.3V TA= 25°C DATA RATE 10Mbps s) 6 n AY ( tPLH,LOW-TO-HIGH TRANSITION A L 5 E D 1.8V N Y O 4 ATI tPHL,HIGH-TO-LOW TRANSITION G A 3 P 3 O PR 2 2 0122 32 42 CA5P2ACITIV6E2 LOAD7 2(pF) 82 92 10203298-014 03298-017 Figure 12. Propagation Delay vs. Capacitive Load Figure 15. Input/Output V = 3.3 V, V = 1.8 V CC1 CC2 Rev. C | Page 7 of 12

ADG3231 Data Sheet 3.5 TA = 25°C VCC = VCC1 = VCC2 A 1.8V 3.0 VCC = 3.3V Y 3 3.3V V) 2.5 2 TAGE ( 2.0 VCC = 2.5V SOURCE L O V PUT 1.5 VCC = 1.8V UT VCC = 3.3V 1 O 1.0 VCC = 1.8V VCC = 2.5V TDAA T=A 2 5R°ACTE = 10MHz 03298-018 0.05 SINK 03298-019 0 5 10 15 20 CURRENT (mA) Figure 16. Input/Output V = 1.8 V, V = 3.3 V Figure 17. Output Voltage vs. Sink and Source Current CC1 CC2 Rev. C | Page 8 of 12

Data Sheet ADG3231 THEORY OF OPERATION The ADG3231 is a single-channel level translator designed on a By limiting the current delivered into the load, for example, submicron process that is guaranteed to operate over the 1.65 V ~1.7 mA with V = 3.6 V, the output stage is protected against CC2 to 3.6 V supply range. The device can be used in applications current overload, which can occur when the Y pin is requiring communication between digital devices operating accidentally shorted to the V or GND rails. CC2 from multiple supply voltages. The logic levels on each side of The short-circuit protection circuitry works by limiting the device are set by the two supply voltages, V for A, and CC1 the output current when the output voltage exceeds V for Y. The signal path is unidirectional, meaning data can CC2 V (A = 0 logic) or is less than V (A = 1 logic) threshold flow only from A to Y. OL OH values specified for the V supply voltage used. CC2 The ADG3231 can operate with any combination of V CC1 Figure 18 shows a typical application for the ADG3231 where and V supply voltages within the 1.65 V to 3.6 V range, CC2 the device performs level translation from V -compatible allowing the part to perform either up (V < V ) or down CC1 CC1 CC2 levels to V -compatible levels to allow proper communication (V > V ) level translation. CC2 CC1 CC2 between the two digital devices, DEVICE 1 and DEVICE 2. VCC1 VCC1 VCC2 VCC2 A Y DEVICE 1 DEVICE 2 SIGNAL INPUT SIGNAL OUTPUT ADG3231GND 03298-021 Figure 18. Typical Application of the ADG3231 Level Translator Rev. C | Page 9 of 12

ADG3231 Data Sheet OUTLINE DIMENSIONS 3.00 2.90 2.80 1.70 6 5 4 3.00 1.60 2.80 1.50 2.60 1 2 3 PIN1 INDICATOR 0.95BSC 1.90 BSC 1.30 1.15 0.90 1.45MAX 0.20MAX 0.95MIN 0.08MIN 0.55 0.15MAX 10° 0.45 0.05MIN 0.50MAX SPELAATNIENG 4° B0S.6C0 0.35 0.30MIN 0° COMPLIANTTOJEDECSTANDARDSMO-178-AB 12-16-2008-A Figure 19. 6-Lead Small Outline Transistor Package [SOT-23] (RJ-6) Dimensions shown in millimeters ORDERING GUIDE Model1 Temperature Range Package Description Package Option Branding ADG3231BRJ-REEL7 −40°C to +85°C 6-Lead SOT-23 RJ-6 W2B ADG3231BRJZ-REEL −40°C to +85°C 6-Lead SOT-23 RJ-6 W2B # ADG3231BRJZ-REEL7 −40°C to +85°C 6-Lead SOT-23 RJ-6 W2B # 1 Z = RoHS Compliant Part, # denotes lead-free may be top or bottom marked. Rev. C | Page 10 of 12

Data Sheet ADG3231 NOTES Rev. C | Page 11 of 12

ADG3231 Data Sheet NOTES ©2003–2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. (cid:37)03298-0-9/12(C) Rev. C | Page 12 of 12

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